Plain bearing with overlay

Details Plain bearing with overlay Plain bearing with overlay

1999-12-02

2000-12-26

Bryant, David P.

Metal working

Method of mechanical manufacture

Process for making bearing or component thereof

72700, B21D 5300, B23P 1700

Patent

active

061639613

ABSTRACT:
A method of making a multi-layer plain bearing comprises roll-bonding a relatively soft aluminum-tin alloy to a harder aluminum-based bearing substrate and then roll-bonding the composite to a steel backing. Following heat treatment conventional for reticulation of the aluminum-tin alloy the surface is machined to give a precise overall bearing thickness of which the aluminum-tin overlay is in the range of 0.01-0.10 mm, typical of an overlay but having greater fatigue strength and war resistance than conventional electro-deposited materials. Alternatively, the overlay substrate and backing strips may be roll-bonded simultaneously.

REFERENCES:
patent: 3132418 (1964-05-01), Fulford
patent: 3276103 (1966-10-01), Kopke et al.
patent: 3350773 (1967-11-01), Beebe et al.
patent: 4109358 (1978-08-01), Duddy et al.
patent: 4365995 (1982-12-01), Mori
patent: 5601371 (1997-02-01), Koroschetz et al.

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